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  <title>Negotiate client's preferred content type</title>

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</div><hr /><div id="function.http-negotiate-content-type" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">http_negotiate_content_type</h1>
  <p class="verinfo">(PECL pecl_http &gt;= 0.19.0)</p><p class="refpurpose"><span class="refname">http_negotiate_content_type</span> &mdash; <span class="dc-title">Negotiate client&#039;s preferred content type</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.http-negotiate-content-type-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">string</span> <span class="methodname"><strong>http_negotiate_content_type</strong></span>
    ( <span class="methodparam"><span class="type">array</span> <code class="parameter">$supported</code></span>
   [, <span class="methodparam"><span class="type">array</span> <code class="parameter reference">&$result</code></span>
  ] )</div>

  <p class="para rdfs-comment">
   This function negotiates the clients preferred content type based on its
   <em>Accept</em> HTTP header. The qualifier is recognized and content types 
   without qualifier are rated highest.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.http-negotiate-content-type-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">supported</code></em></dt>

     <dd>

      <p class="para">
       array containing the supported content types as values
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">result</code></em></dt>

     <dd>

      <p class="para">
       will be filled with an array containing the negotiation results
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.http-negotiate-content-type-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns the negotiated content type or the default content type (i.e. first array entry) if none match.
  </p>
 </div>


 


 


 <div class="refsect1 examples" id="refsect1-function.http-negotiate-content-type-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4270">
    <p><strong>Example #1 Using <span class="function"><strong>http_negotiate_content_type()</strong></span></strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$content_types&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #DD0000">'application/xhtml+xml'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'text/html'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">http_send_content_type</span><span style="color: #007700">(</span><span style="color: #0000BB">http_negotiate_content_type</span><span style="color: #007700">(</span><span style="color: #0000BB">$content_types</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>



 


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